Concept explainers
At what distance away from Earth is Earth’s gravitational force on an object zero?
Introduction:
At height h , gravitational acceleration will always decrease near the surface of the Earth.
Explanation:
Gravitational acceleration at height is always less than g on surface and with height g decreases.
Here g’= Gravitational acceleration at height h.
And g = Gravitational acceleration on the surface.
So, at a height of one half of the Earth’s radius Earth’s Gravitational force of an object will zero.
Conclusion:
If one fires an object upward, usually it will slow, stop momentarily, return to Earth due to gravity. But at a distance
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